64734103073 has 2 divisors, whose sum is σ = 64734103074. Its totient is φ = 64734103072.

The previous prime is 64734102997. The next prime is 64734103087. The reversal of 64734103073 is 37030143746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49163305984 + 15570797089 = 221728^2 + 124783^2 .

It is a cyclic number.

It is not a de Polignac number, because 64734103073 - 2¹² = 64734098977 is a prime.

It is not a weakly prime, because it can be changed into another prime (64734102073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32367051536 + 32367051537.

It is an arithmetic number, because the mean of its divisors is an integer number (32367051537).

Almost surely, 2^64734103073 is an apocalyptic number.

It is an amenable number.

64734103073 is a deficient number, since it is larger than the sum of its proper divisors (1).

64734103073 is an equidigital number, since it uses as much as digits as its factorization.

64734103073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 38.

The spelling of 64734103073 in words is "sixty-four billion, seven hundred thirty-four million, one hundred three thousand, seventy-three".